File:Birthday candles.jpg|Candles spell out the traditional English birthday greeting|thumb|250px
A '''birthday''' is an occasion when a person or institution celebrates the anniversary of their birth
. Birthdays are celebrated in numerous cultures, often with gifts, cards, a party, or a rite of passage
Many religions celebrate the birth of their founders with special holidays (e.g. Christmas
, Buddha's Birthday
There is a distinction between birth''day'' and birth''date'': The former, other than February 29
, occurs each year (e.g. January 15), while the latter is the exact date a person was born (e.g., January 15, 2001).